ergo
matrix_norm.h
Go to the documentation of this file.
1 /* Ergo, version 3.8, a program for linear scaling electronic structure
2  * calculations.
3  * Copyright (C) 2019 Elias Rudberg, Emanuel H. Rubensson, Pawel Salek,
4  * and Anastasia Kruchinina.
5  *
6  * This program is free software: you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation, either version 3 of the License, or
9  * (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program. If not, see <http://www.gnu.org/licenses/>.
18  *
19  * Primary academic reference:
20  * Ergo: An open-source program for linear-scaling electronic structure
21  * calculations,
22  * Elias Rudberg, Emanuel H. Rubensson, Pawel Salek, and Anastasia
23  * Kruchinina,
24  * SoftwareX 7, 107 (2018),
25  * <http://dx.doi.org/10.1016/j.softx.2018.03.005>
26  *
27  * For further information about Ergo, see <http://www.ergoscf.org>.
28  */
29 
37 #ifndef MATRIX_NORM_HEADER
38 #define MATRIX_NORM_HEADER
39 
40 #include "realtype.h"
41 
42 ergo_real get_euclidean_norm(int m, int n, const ergo_real* A);
43 
44 #endif
template_blas_sqrt
Treal template_blas_sqrt(Treal x)
realtype.h
Definition of the main floating-point datatype used; the ergo_real type.
memorymanag.h
Memory allocation/deallocation routines.
LOG_CAT_ERROR
#define LOG_CAT_ERROR
Definition: output.h:47
get_euclidean_norm
ergo_real get_euclidean_norm(int m, int n, const ergo_real *A)
Definition: matrix_norm.cc:76
ergo_real
double ergo_real
Definition: realtype.h:69
ergo_malloc
void * ergo_malloc(size_t noOfBytes)
Definition: memorymanag.cc:49
get_largest_eigenvalue
static ergo_real get_largest_eigenvalue(int n, const ergo_real *M)
Definition: matrix_norm.cc:47
matrix_norm.h
Code for computing Euclidean norm of a dense matrix.
A
#define A
LOG_AREA_INTEGRALS
#define LOG_AREA_INTEGRALS
Definition: output.h:60
get_euclidean_norm
ergo_real get_euclidean_norm(int m, int n, const ergo_real *A)
Definition: matrix_norm.cc:76
ergo_free
void ergo_free(void *p)
Definition: memorymanag.cc:68
mat::syev
static void syev(const char *jobz, const char *uplo, const int *n, T *a, const int *lda, T *w, T *work, const int *lwork, int *info)
Definition: mat_gblas.h:382
do_output
void do_output(int logCategory, int logArea, const char *format,...)
Definition: output.cc:53
output.h
Functionality for writing output messages to a text file.